Elements Of Remote Sensing Which one of the following quantities forms the basis of radiometry? Radiant energy (Q) All of these Radiant intensity (I) Radiant flux (φ) Radiant energy (Q) All of these Radiant intensity (I) Radiant flux (φ) ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The optical property of a water body depends on: All of these Absorption by the suspended particulate matter Scattering by the suspended particulate matter Absorption by the dissolved material All of these Absorption by the suspended particulate matter Scattering by the suspended particulate matter Absorption by the dissolved material ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing A reduction of nitrogen nutrient in plants: Reduces pigment concentration Affects leaf color Increase the visible reflectivity All of these Reduces pigment concentration Affects leaf color Increase the visible reflectivity All of these ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Rayleigh's criteria for a rough surface is: (where letters carry their usual meanings). h < λ/8 cos θ h = λ/8 cos θ h > λ/Δ cos θ h > λ/8 cos θ h < λ/8 cos θ h = λ/8 cos θ h > λ/Δ cos θ h > λ/8 cos θ ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing According to the Snell's law if an electromagnetic wave is incident in a medium (refractive index n₁) on another medium (refractive index m₂); Neither (A) nor (B) The angle of refraction (θr) is given by sin θ₂ = (n₁/n₂) sin θi The angle of incidence is equal to the angle of refraction Both (A) and (B) Neither (A) nor (B) The angle of refraction (θr) is given by sin θ₂ = (n₁/n₂) sin θi The angle of incidence is equal to the angle of refraction Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing If electric permittivity and magnetic permeability of the medium are respectively ‘ε’ and ‘μ’, then the velocity (Cm) of the electromagnetic wave in the medium is given by: Cm = 5/√εμ Cm = 1/√8 μ None of these Cm = 1/εμ Cm = 5/√εμ Cm = 1/√8 μ None of these Cm = 1/εμ ANSWER DOWNLOAD EXAMIANS APP
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